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principal quantum number

noun Physics.

the nonnegative, integral quantum number that defines the stationary orbits in the Bohr model of the atom.

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Also called total quantum number.

Origin of principal quantum number

First recorded in 1920–25

Words nearby principal quantum number

principal nursing officer, principal optic axis, principal parts, principal plane, principal point, principal quantum number, principal rafter, principal value, principate, Príncipe, principium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Scientific definitions for principal quantum number

principal quantum number
[ prĭn′sə-pəl ]

See under quantum number.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.